President Donald Trump signs a stone outside the White House, Wednesday, Aug. 19, 2026, in Washington, at the construction site of the new helicopter landing zone on the South Lawn of the White House. (AP Photo/Manuel Balce Ceneta)

President Donald Trump speaks outside the White House, Wednesday, Aug. 19, 2026, in Washington, at the construction site of the new helicopter landing zone on the South Lawn of the White House. (AP Photo/Manuel Balce Ceneta)

President Donald Trump speaks on the South Lawn of the White House at the construction site of the new helicopter landing zone, Wednesday, Aug. 19, 2026, seen from the Washington Monument in Washington. (AP Photo/Alex Brandon)

Health and Human Services Secretary Robert F. Kennedy Jr. speaks as President Donald Trump, left, and Heidi Overton, deputy director of the White House Domestic Policy Council, listen during a meeting to sign an executive order about vaccines, Monday, Aug. 10, 2026, in the Oval Office of the White House in Washington. (AP Photo/Jacquelyn Martin)

FILE - National Security Council aide Lt. Col. Alexander Vindman departs after testifying before the House Intelligence Committee on Capitol Hill in Washington, Nov. 19, 2019, during a public impeachment hearing of President Donald Trump's efforts to tie U.S. aid for Ukraine to investigations of his political opponents. (AP Photo/Alex Brandon, File)

Dr. Anthony Fauci is sworn in before the Senate Homeland Security and Governmental Affairs Committee at the Capitol, Wednesday, July 29, 2026, in Washington. (AP Photo/Allison Robbert)

Secretary of State Marco Rubio speaks alongside Paraguay's Vice President Pedro Alliana (not pictured), in the Treaty Room at the State Department, Tuesday, Aug. 4, 2026, in Washington. (AP Photo/Tierney L. Cross)

The Eisenhower Executive Office Building is seen as President Donald Trump speaks during an event to announce the Freedom Haulers initiative at the White House, Thursday, July 30, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)